Navigation Links
New study: Home energy savings are made in the shade
Date:5/8/2009

Trees positioned to shade the west and south sides of a house may decrease summertime electric bills by 5 percent on average, according to a recent study* of California homes by researchers from the National Institute of Standards and Technology (NIST) and the U.S. Department of Agriculture (USDA).

The first large-scale study of its kind, the research paper considers the effects of shade on 460 single-family homes in Sacramento during the summer of 2007 and provides hard statistics showing how well-placed shade trees can reduce energy costs and atmospheric carbon, as well.

People have known for a long time that trees have multiple benefits for people, but weve quantified one of them for the first time using actual billing data and put a dollar value on it, said NISTs David Butry, who authored the paper with Geoffrey Donovan of the USDA Forest Services Pacific Northwest Research Station.

The studys findings included:

  • Planting trees on the west and south sides of a house decreased summertime electricity use, but planting them on the north actually increased it. Those on the east had no effect.
  • Fast-growing trees provide better help than do smaller ones, and placement of the trees, particularly the distance from the house, is a significant factor.
  • A London plane tree, planted on the west side of a house, can reduce carbon emissions from summertime electricity use by an average of 31 percent over 100 years.

This last finding was particularly significant to Butry, who said that trees not only reduce the carbon produced by the local gas or coal-fired power generator, but also remove carbon dioxidea greenhouse gasfrom the atmosphere.

Trees sequester carbon in addition to providing shade, Butry said. We measured how much these shade trees reduced the carbon created by burning fuels to produce the electricity, and found that the trees also sequestered an equivalent amount of carbon on top of that. So theres a double benefit.

Utility companies from as far away as South Korea and South Africa have contacted the team about expanding the study, which was limited to a single season in a single city.

It would be really interesting to look at how the effect varies across regions of the U.S. and of the world, and to see what happens in wintertime, Butry said. Sacramento Municipal Utility was very helpful in providing us with the data we needed. But future studies will depend on who has data and shares it with us.


'/>"/>

Contact: Chad Boutin
boutin@nist.gov
301-975-4261
National Institute of Standards and Technology (NIST)
Source:Eurekalert  

Related biology news :

1. UNC study: Scientists identify chemical compound that may stop deadly brain tumors
2. Study: Health undervalued in reproductive rights debate
3. Study: Fluid buildup in lungs is part of the damage done by the flu
4. UNC study: Tinkering with the circadian clock can suppress cancer growth
5. Study: Excessive use of antiviral drugs could aid deadly flu
6. Study: Did early climate impact divert a new glacial age?
7. UNC study: Text messaging may help children fight off obesity
8. Study: Elderly Women can increase strength but still risk falls
9. Study: Wildlife need more complex travel plans
10. Study: Tropical wetlands hold more carbon than temperate marshes
11. Study: Bird diversity lessens human exposure to West Nile Virus
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
New study: Home energy savings are made in the shade
(Date:2/16/2017)... 16, 2017  Genos, a community for personal ... has received Laboratory Accreditation from the College of ... to laboratories that meet stringent requirements around quality, ... processes. "Genos is committed to maintaining ... We,re honored to be receiving CAP accreditation," said ...
(Date:2/13/2017)... 13, 2017 Former 9/11 Commission border counsel ... Janice Kephart of Identity Strategy Partners, LLP, ... Trump,s "Executive Order: Protecting the Nation From Foreign ... "As President Trump,s ,Travel Ban, Executive Order ... essentially banned the travel ban, it is important that ...
(Date:2/8/2017)... 8, 2017 About Voice Recognition Biometrics Voice ... it against a stored voiceprint template. Acoustic features ... and tone are compared to distinguish between individual ... as most PCs already have a microphone and ... recognition biometrics are most likely to be deployed ...
Breaking Biology News(10 mins):
(Date:3/22/2017)... , March 22, 2017 ... fragmented, states a research report by Transparency Market Research ... Inc., Amgen Inc., and AbbVie Inc., accounted for a ... The prominent players in this market are focusing aggressively ... product portfolio, which is likely to lead to market ...
(Date:3/22/2017)... 22, 2017 /PRNewswire/ - FACIT announced a seed ... "Propellon"), a start-up created by FACIT focused on ... investment, combined with non-dilutive capital, achieves a targeted ... funding enables Propellon to accelerate the nomination of ... financing and/or entering a strategic partnership for clinical ...
(Date:3/22/2017)... Pa. , March 22, 2017 /PRNewswire/ ... global independent provider of product and service ... today that it has acquired EPL Archives, ... supports customers across the entire regulated product ... archive sample, document storage and ancillary services. ...
(Date:3/22/2017)... Bahama (PRWEB) , ... March 21, 2017 , ... Okyanos ... educational seminar as part of their live events series, “Stem Cell Therapy: The Next ... cell facility under the 2013 Stem Cell Research and Therapy Act, Okyanos ...
Breaking Biology Technology: